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84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
#!/usr/bin/python -tt
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import subprocess
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DOCUMENTATION = '''
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---
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module: lldp
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version_added: 1.6
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short_description: get details reported by lldp
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description:
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- Reads data out of lldpctl
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author: Andy Hill
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notes:
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- Requires lldpd running and lldp enabled on switches
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'''
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EXAMPLES = '''
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# Retrieve switch/port information
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- name: Gather information from lldp
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lldp:
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- name: Print each switch/port
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debug: msg="{{ lldp[item]['chassis']['name'] }} / {{ lldp[item]['port']['ifalias'] }}
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with_items: lldp.keys()
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# TASK: [Print each switch/port] ***********************************************************
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# ok: [10.13.0.22] => (item=eth2) => {"item": "eth2", "msg": "switch1.example.com / Gi0/24"}
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# ok: [10.13.0.22] => (item=eth1) => {"item": "eth1", "msg": "switch2.example.com / Gi0/3"}
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# ok: [10.13.0.22] => (item=eth0) => {"item": "eth0", "msg": "switch3.example.com / Gi0/3"}
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'''
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def gather_lldp():
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cmd = ['lldpctl', '-f', 'keyvalue']
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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(output, err) = proc.communicate()
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if output:
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output_dict = {}
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lldp_entries = output.split("\n")
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for entry in lldp_entries:
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if entry:
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path, value = entry.strip().split("=", 1)
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path = path.split(".")
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path_components, final = path[:-1], path[-1]
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current_dict = output_dict
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for path_component in path_components:
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current_dict[path_component] = current_dict.get(path_component, {})
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current_dict = current_dict[path_component]
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current_dict[final] = value
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return output_dict
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def main():
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module = AnsibleModule({})
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lldp_output = gather_lldp()
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try:
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data = {'lldp': lldp_output['lldp']}
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module.exit_json(ansible_facts=data)
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except TypeError:
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module.fail_json(msg="lldpctl command failed. is lldpd running?")
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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